5 A coil is in series with a 20uF capacitor across a 230V 50HZ supply. The current taken by the circuit is 8A and the power consumed is 200W. Calculate the inductance of the coil if the power factor of the circuit is a) leading, b) lagging. Sketch the vector diagram for each condition and calculate the coil power factor in each case.

5 A coil is in series with a 20uF capacitor across a 230V 50HZ supply. The current taken by the circuit is 8A and the power consumed is 200W. Calculate the inductance of the coil if the power factor of the circuit is a) leading, b) lagging. Sketch the vector diagram for each condition and calculate the coil power factor in each case.

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter21: Resistive-capacitive Series Circuits

Section: Chapter Questions

Problem 6RQ: A 15-F AC capacitor is connected in series with a 50 resistor. The capacitor has a voltage rating...

See similar textbooks

Similar questions

TOE This is a photo of a capacitor that corrects the power factor in an AC setup, in DC it is used in electronic board for appliances and other small devices. Tell me something about this photo.
2, In a circuit, the capacitance of a capacitor is 3.2 microfarads and the rms voltage of the generator is 50 volts. Frequency (a) 100 Hz and (b) what is the rms current in the circuit when it is 1000 Hz?
A utility company plans to connect a total of 20uF of capacitance to a 7200 volt line. To make this connection four capacitors will be connected in series. What is the capacitance of each capacitor? Answer is 80uF. Now what is the minimum AC voltage rating of each capacitor?
True or False: An inductor is the field winding of a DC Machine.
The rotor winding of the induction motor at no load condition is equivalent to connected to an inductive load short circuited connected to a resistive load O open circuited
Shown in the figure below is an "RL" circuit drive by an AC power source. The AC power source has an RMS voltage of Vps (RMS) = 9.84 Volts and is running at a frequency of f = 8.585e+04 Hz. The resistor has a resistance of R = 2170 and the inductor has an inductance of L = 3.54e-03 Henries. Vps R ww Write the FORMULA for the total impedance of the circuit Ztot = Determine the numerical value of Ztot = 2890.5 Determine the numerical value of $z= = 41 Determine the current through the circuit: • I(PEAK) = 4.81E-3 • I(RMS) = 3.404E-3 Determine the voltage across the resistor: • VR(PEAK) = 7.387 • VR(RMS) = 5.22 ✔✔ Amps ✔Amps Write the FORMULA for the phase of the total impedance of the circuit z... = | tan-1 2701 R x Volts X Volts Determine the voltage across the inductor: • VL(PEAK) = 9.184 • VL(RMS) = 6.49 ✔ Volts Volts L R²+ WL- ✔ degrees 2 If a second circuit were connected in parallel with the inductor, this circuit would be considered as: O a low-pass filter O a capacitive switcher…
The below figure shows the waveform of the voltage and current in a purely inductive AC circuit. Voltage Current Using the voltage phasor as the reference, the current phasor Lags by 90° Is in phase with the voltage Leads by 90° Lags and then leads by 160°
For figure (1)draw and calculate the voltages waveform across each half of secondary winding and across load when 100sin2π60t applied across the primary, then find PIV.
Shown in the figure below is an "RC" circuit drive by an AC power source. The AC power source has an RMS voltage of Vps (RMS) = 11.58 Volts and is running at a frequency of f = 1.326e+04 Hz. resistor has a resistance of R = 3750 2 and the capacitor has an capacitance of C = 3.17e-09 Farads. Vps R ww Write the FORMULA for the total impedance of the circuit Ztot = Write the FORMULA for the phase of the total impedance of the circuit tot = Determine the numerical value of Ztot = Determine the numerical value of Pztot= Determine the current through the circuit: • I(PEAK) = • I(RMS) = Determine the voltage across the resistor: Amps Amps S2 C degrees
Due to mutual inductance between two coils, there is an induced emf in one coil due to a change in current in the other coil. O True O False O Hard to say
A synchronous generator generates 370 V at 55 Hz when the field current is 4.4A. The e.m.f generated when the frequency is 35HZ and the field current is 2.9A is ..... .......
Complete solution inductance and impedance of the coil.